253346520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2767}}^1$

素因数の和:2897

約数の個数: 128

約数和(自身を含む): 876902400

約数和(自身を除く): 623555880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2180, 2289, 2616, 2767, 3052, 3270, 3815, 4360, 4578, 5534, 6104, 6540, 7630, 8301, 9156, 11068, 11445, 13080, 13835, 15260, 16602, 18312, 19369, 22136, 22890, 27670, 30520, 33204, 38738, 41505, 45780, 55340, 58107, 66408, 77476, 83010, 91560, 96845, 110680, 116214, 154952, 166020, 193690, 232428, 290535, 301603, 332040, 387380, 464856, 581070, 603206, 774760, 904809, 1162140, 1206412, 1508015, 1809618, 2111221, 2324280, 2412824, 3016030, 3619236, 4222442, 4524045, 6032060, 6333663, 7238472, 8444884, 9048090, 10556105, 12064120, 12667326, 16889768, 18096180, 21112210, 25334652, 31668315, 36192360, 42224420, 50669304, 63336630, 84448840, 126673260, 253346520]

約数ペア:

[(1, 253346520), (2, 126673260), (3, 84448840), (4, 63336630), (5, 50669304), (6, 42224420), (7, 36192360), (8, 31668315), (10, 25334652), (12, 21112210), (14, 18096180), (15, 16889768), (20, 12667326), (21, 12064120), (24, 10556105), (28, 9048090), (30, 8444884), (35, 7238472), (40, 6333663), (42, 6032060), (56, 4524045), (60, 4222442), (70, 3619236), (84, 3016030), (105, 2412824), (109, 2324280), (120, 2111221), (140, 1809618), (168, 1508015), (210, 1206412), (218, 1162140), (280, 904809), (327, 774760), (420, 603206), (436, 581070), (545, 464856), (654, 387380), (763, 332040), (840, 301603), (872, 290535), (1090, 232428), (1308, 193690), (1526, 166020), (1635, 154952), (2180, 116214), (2289, 110680), (2616, 96845), (2767, 91560), (3052, 83010), (3270, 77476), (3815, 66408), (4360, 58107), (4578, 55340), (5534, 45780), (6104, 41505), (6540, 38738), (7630, 33204), (8301, 30520), (9156, 27670), (11068, 22890), (11445, 22136), (13080, 19369), (13835, 18312), (15260, 16602)]